From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E66EF1A727; Wed, 3 Jan 2024 15:26:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="ozL2v4cm" Received: from pps.filterd (m0353725.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 403FGIoJ029015; Wed, 3 Jan 2024 15:26:32 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; 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Wed, 03 Jan 2024 15:26:31 +0000 Received: from smtpav04.fra02v.mail.ibm.com (smtpav04.fra02v.mail.ibm.com [10.20.54.103]) by smtprelay02.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 403FQSB622938252 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 3 Jan 2024 15:26:28 GMT Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 528D22004B; Wed, 3 Jan 2024 15:26:28 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AFDA120043; Wed, 3 Jan 2024 15:26:27 +0000 (GMT) Received: from [9.171.58.215] (unknown [9.171.58.215]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 3 Jan 2024 15:26:27 +0000 (GMT) Message-ID: <096761e8-31bd-4479-9d2d-515a96af221c@linux.ibm.com> Date: Wed, 3 Jan 2024 16:26:27 +0100 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] KVM: s390: fix cc for successful PQAP To: Eric Farman , Christian Borntraeger , Claudio Imbrenda , Tony Krowiak , Halil Pasic , Jason Herne Cc: Sven Schnelle , Heiko Carstens , Vasily Gorbik , linux-s390@vger.kernel.org, kvm@vger.kernel.org References: <20231201181657.1614645-1-farman@linux.ibm.com> Content-Language: en-US From: Janosch Frank Autocrypt: addr=frankja@linux.ibm.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: hReFSvNB9Wo9MCGSQi6GWvuOe3Tv2niu X-Proofpoint-GUID: hReFSvNB9Wo9MCGSQi6GWvuOe3Tv2niu X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-03_08,2024-01-03_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 bulkscore=0 mlxlogscore=698 impostorscore=0 mlxscore=0 phishscore=0 suspectscore=0 priorityscore=1501 adultscore=0 lowpriorityscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401030126 On 12/1/23 19:16, Eric Farman wrote: > The various errors that are possible when processing a PQAP > instruction (the absence of a driver hook, an error FROM that > hook), all correctly set the PSW condition code to 3. But if > that processing works successfully, CC0 needs to be set to > convey that everything was fine. > > Fix the check so that the guest can examine the condition code > to determine whether GPR1 has meaningful data. > I've needed some time to remember this patch set, thanks for the ping. The patch has been pushed to devel for some CI coverage.